1 Explain that a population pyramid shows the age and sex structure of a population. 2  Point to the horizontal bars, which show the percentage (or the absolute number) of males and females in each age group. 3  Have students interpret the chart.
1 Although they range from $150-$400 or more, a large capacity (25-70 pints) dehumidifier for a basement (the dampest portion of most homes) or other large area averages $200-$300.
Aftermath of dehumidifier fire. The U.S. Consumer Product Safety Commission today announced the recall of 350,000 dehumidifiers sold under the GE brand name. The units can overheat, smoke, and catch fire, posing fire and burn hazards to consumers.